{"product_id":"accupro-12179035-square-end-mill-3-8-inch-4-flute-carbide","title":"Accupro 12179035 Square End Mill 3\/8 Inch 4 Flute Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ACCUPRO 12179035 is a 4-flute solid carbide square end mill designed for high-performance milling in ferrous and non-ferrous materials. Built from micrograin carbide stock, it carries a nACRo (nanocomposite aluminum-chromium) coating that extends tool life in demanding cutting environments. The 40-degree helix angle promotes efficient chip evacuation and reduces cutting forces, making it well suited for medium to high-speed operations. At 3\/8 inch in diameter with a 1-1\/8 inch length of cut and 3 inch overall length, this end mill fits standard toolholders and delivers consistent dimensional results across production runs. Licensed machinists and toolroom operators are the primary users.\u003c\/p\u003e\n\u003cp\u003eThis end mill is used in vertical machining centers, CNC knee mills, and manual knee mills running general profiling, slotting, and peripheral milling operations. The centercutting geometry allows direct plunge entry into workpiece material without a pre-drilled hole. Right-hand cut and right-hand flute configuration match standard spindle rotation on the vast majority of milling machines. The spiral flute design and micrograin carbide substrate make it appropriate for stainless steel, alloy steel, cast iron, aluminum, and similar materials where a rigid, wear-resistant tool is needed.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid micrograin carbide substrate provides rigidity and wear resistance at elevated cutting speeds\u003c\/li\u003e\n  \u003cli\u003enACRo coating increases surface hardness and thermal resistance compared to uncoated carbide\u003c\/li\u003e\n  \u003cli\u003e40-degree helix angle promotes chip evacuation and reduces radial cutting forces\u003c\/li\u003e\n  \u003cli\u003eCentercutting design permits direct plunge milling without pilot hole preparation\u003c\/li\u003e\n  \u003cli\u003eRight-hand cut, right-hand spiral flute — compatible with standard CNC and manual milling spindles\u003c\/li\u003e\n  \u003cli\u003eMill diameter tolerance of +0.000 \/ -0.002 inches ensures consistent fit in close-tolerance work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-specification end mill for standard 3\/8 inch straight-shank toolholders used in CNC machining centers and manual milling machines. Shank diameter tolerance of -0.0001 \/ -0.0004 inches ensures a secure fit in collet chucks and end mill holders sized for 3\/8 inch shank tooling.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist following the machine tool manufacturer guidelines for toolholder torque and runout limits. Ensure the spindle is fully stopped and the machine is locked out before installing or removing the end mill. Inspect the collet or toolholder for wear, debris, and proper seating before clamping. Do not exceed the tool manufacturer recommended depth of cut or feed rate for the workpiece material and coating combination.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter\u003c\/strong\u003e: 3\/8 inch (0.3750 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength of Cut\u003c\/strong\u003e: 1-1\/8 inches (1.125 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 3\/8 inch (0.375 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Mill Material\u003c\/strong\u003e: Solid Carbide (Micrograin)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating \/ Finish\u003c\/strong\u003e: nACRo\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelix Angle\u003c\/strong\u003e: 40 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentercutting\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariable Helix\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Reach\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMill Diameter Tolerance\u003c\/strong\u003e: +0.000 \/ -0.002 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter Tolerance\u003c\/strong\u003e: -0.0001 \/ -0.0004 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.5 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112803\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACCUPRO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 12179035\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51747879125298,"sku":"12179035","price":100.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5bcc8b4ee7b2568a0ee793453639dd12_d86fc15b-3d7e-4a90-9110-e7af0755b1a3.jpg?v=1788886573","url":"https:\/\/voomisupply.com\/products\/accupro-12179035-square-end-mill-3-8-inch-4-flute-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}